Merge pull request #9442 from Microsoft/navigation_bar_nameless_namespace

Show "<unknown>" if the name of a declaration is unavailable

Author: Andy

src/services/navigationBar.ts

@@ -412,8 +412,7 @@ namespace ts.NavigationBar {
             case SyntaxKind.JSDocTypedefTag:
                 return getJSDocTypedefTagName(<JSDocTypedefTag>node);
             default:
-                Debug.fail();
-                return "";
+                return "<unknown>";
         }
     }
 

tests/cases/fourslash/navigationBarNamespaceImportWithNoName.ts

@@ -0,0 +1,13 @@
+////import *{} from 'foo';
+verify.navigationBar([
+    {
+        "text": "\"navigationBarNamespaceImportWithNoName\"",
+        "kind": "module",
+        "childItems": [
+            {
+                "text": "<unknown>",
+                "kind": "alias"
+            }
+        ]
+    }
+]);